/**
 * User: Jinqn
 * Date: 14-04-08
 * Time: 下午16:34
 * 上传图片对话框逻辑代码,包括tab: 远程图片/上传图片/在线图片/搜索图片
 */

(function () {
    var remoteImage,
        uploadImage,
        onlineImage,
        searchImage

    window.onload = function () {
        initTabs()
        initAlign()
        initButtons()
    }

    /* 初始化tab标签 */
    function initTabs () {
        var tabs = $G('tabhead').children
        for (var i = 0; i < tabs.length; i++) {
            domUtils.on(tabs[i], "click", function (e) {
                var target = e.target || e.srcElement
                setTabFocus(target.getAttribute('data-content-id'))
            })
        }

        var img = editor.selection.getRange().getClosedNode()
        if (img && img.tagName && img.tagName.toLowerCase() == 'img') {
            setTabFocus('remote')
        } else {
            setTabFocus('upload')
        }
    }

    /* 初始化tabbody */
    function setTabFocus (id) {
        if (!id) return
        var i, bodyId, tabs = $G('tabhead').children
        for (i = 0; i < tabs.length; i++) {
            bodyId = tabs[i].getAttribute('data-content-id')
            if (bodyId == id) {
                domUtils.addClass(tabs[i], 'focus')
                domUtils.addClass($G(bodyId), 'focus')
            } else {
                domUtils.removeClasses(tabs[i], 'focus')
                domUtils.removeClasses($G(bodyId), 'focus')
            }
        }
        switch (id) {
            case 'remote':
                remoteImage = remoteImage || new RemoteImage()
                break
            case 'upload':
                setAlign(editor.getOpt('imageInsertAlign'))
                uploadImage = uploadImage || new UploadImage('queueList')
                break
            case 'online':
                setAlign(editor.getOpt('imageManagerInsertAlign'))
                onlineImage = onlineImage || new OnlineImage('imageList')
                onlineImage.reset()
                break
            case 'search':
                setAlign(editor.getOpt('imageManagerInsertAlign'))
                searchImage = searchImage || new SearchImage()
                break
        }
    }

    /* 初始化onok事件 */
    function initButtons () {

        dialog.onok = function () {
            var remote = false, list = [], id, tabs = $G('tabhead').children
            for (var i = 0; i < tabs.length; i++) {
                if (domUtils.hasClass(tabs[i], 'focus')) {
                    id = tabs[i].getAttribute('data-content-id')
                    break
                }
            }

            switch (id) {
                case 'remote':
                    list = remoteImage.getInsertList()
                    break
                case 'upload':
                    list = uploadImage.getInsertList()
                    var count = uploadImage.getQueueCount()
                    if (count) {
                        $('.info', '#queueList').html('<span style="color:red;">' + '还有2个未上传文件'.replace(/[\d]/, count) + '</span>')
                        return false
                    }
                    break
                case 'online':
                    list = onlineImage.getInsertList()
                    break
                case 'search':
                    list = searchImage.getInsertList()
                    remote = true
                    break
            }

            if (list) {
                editor.execCommand('insertimage', list)
                remote && editor.fireEvent("catchRemoteImage")
            }
        }
    }


    /* 初始化对其方式的点击事件 */
    function initAlign () {
        /* 点击align图标 */
        domUtils.on($G("alignIcon"), 'click', function (e) {
            var target = e.target || e.srcElement
            if (target.className && target.className.indexOf('-align') != -1) {
                setAlign(target.getAttribute('data-align'))
            }
        })
    }

    /* 设置对齐方式 */
    function setAlign (align) {
        align = align || 'none'
        var aligns = $G("alignIcon").children
        for (i = 0; i < aligns.length; i++) {
            if (aligns[i].getAttribute('data-align') == align) {
                domUtils.addClass(aligns[i], 'focus')
                $G("align").value = aligns[i].getAttribute('data-align')
            } else {
                domUtils.removeClasses(aligns[i], 'focus')
            }
        }
    }
    /* 获取对齐方式 */
    function getAlign () {
        var align = $G("align").value || 'none'
        return align == 'none' ? '' : align
    }


    /* 在线图片 */
    function RemoteImage (target) {
        this.container = utils.isString(target) ? document.getElementById(target) : target
        this.init()
    }
    RemoteImage.prototype = {
        init: function () {
            this.initContainer()
            this.initEvents()
        },
        initContainer: function () {
            this.dom = {
                'url': $G('url'),
                'width': $G('width'),
                'height': $G('height'),
                'border': $G('border'),
                'vhSpace': $G('vhSpace'),
                'title': $G('title'),
                'align': $G('align')
            }
            var img = editor.selection.getRange().getClosedNode()
            if (img) {
                this.setImage(img)
            }
        },
        initEvents: function () {
            var _this = this,
                locker = $G('lock')

            /* 改变url */
            domUtils.on($G("url"), 'keyup', updatePreview)
            domUtils.on($G("border"), 'keyup', updatePreview)
            domUtils.on($G("title"), 'keyup', updatePreview)

            domUtils.on($G("width"), 'keyup', function () {
                if (locker.checked) {
                    var proportion = locker.getAttribute('data-proportion')
                    $G('height').value = Math.round(this.value / proportion)
                } else {
                    _this.updateLocker()
                }
                updatePreview()
            })
            domUtils.on($G("height"), 'keyup', function () {
                if (locker.checked) {
                    var proportion = locker.getAttribute('data-proportion')
                    $G('width').value = Math.round(this.value * proportion)
                } else {
                    _this.updateLocker()
                }
                updatePreview()
            })
            domUtils.on($G("lock"), 'change', function () {
                var proportion = parseInt($G("width").value) / parseInt($G("height").value)
                locker.setAttribute('data-proportion', proportion)
            })

            function updatePreview () {
                _this.setPreview()
            }
        },
        updateLocker: function () {
            var width = $G('width').value,
                height = $G('height').value,
                locker = $G('lock')
            if (width && height && width == parseInt(width) && height == parseInt(height)) {
                locker.disabled = false
                locker.title = ''
            } else {
                locker.checked = false
                locker.disabled = 'disabled'
                locker.title = lang.remoteLockError
            }
        },
        setImage: function (img) {
            /* 不是正常的图片 */
            if (!img.tagName || img.tagName.toLowerCase() != 'img' && !img.getAttribute("src") || !img.src) return

            var wordImgFlag = img.getAttribute("word_img"),
                src = wordImgFlag ? wordImgFlag.replace("&amp;", "&") : (img.getAttribute('_src') || img.getAttribute("src", 2).replace("&amp;", "&")),
                align = editor.queryCommandValue("imageFloat")

            /* 防止onchange事件循环调用 */
            if (src !== $G("url").value) $G("url").value = src
            if (src) {
                /* 设置表单内容 */
                $G("width").value = img.width || ''
                $G("height").value = img.height || ''
                $G("border").value = img.getAttribute("border") || '0'
                $G("vhSpace").value = img.getAttribute("vspace") || '0'
                $G("title").value = img.title || img.alt || ''
                setAlign(align)
                this.setPreview()
                this.updateLocker()
            }
        },
        getData: function () {
            var data = {}
            for (var k in this.dom) {
                data[k] = this.dom[k].value
            }
            return data
        },
        setPreview: function () {
            var url = $G('url').value,
                ow = $G('width').value,
                oh = $G('height').value,
                border = $G('border').value,
                title = $G('title').value,
                preview = $G('preview'),
                width,
                height

            width = ((!ow || !oh) ? preview.offsetWidth : Math.min(ow, preview.offsetWidth))
            width = width + (border * 2) > preview.offsetWidth ? width : (preview.offsetWidth - (border * 2))
            height = (!ow || !oh) ? '' : width * oh / ow

            if (url) {
                preview.innerHTML = '<img src="' + url + '" width="' + width + '" height="' + height + '" border="' + border + 'px solid #000" title="' + title + '" />'
            }
        },
        getInsertList: function () {
            var data = this.getData()
            if (data['url']) {
                return [{
                    src: data['url'],
                    _src: data['url'],
                    width: data['width'] || '',
                    height: data['height'] || '',
                    border: data['border'] || '',
                    floatStyle: data['align'] || '',
                    vspace: data['vhSpace'] || '',
                    alt: data['title'] || '',
                    style: "width:" + data['width'] + "px;height:" + data['height'] + "px;"
                }]
            } else {
                return []
            }
        }
    }



    /* 上传图片 */
    function UploadImage (target) {
        this.$wrap = target.constructor == String ? $('#' + target) : $(target)
        this.init()
    }
    UploadImage.prototype = {
        init: function () {
            this.imageList = []
            this.initContainer()
            this.initUploader()
        },
        initContainer: function () {
            this.$queue = this.$wrap.find('.filelist')
        },
        /* 初始化容器 */
        initUploader: function () {
            var _this = this,
                $ = jQuery,    // just in case. Make sure it's not an other libaray.
                $wrap = _this.$wrap,
                // 图片容器
                $queue = $wrap.find('.filelist'),
                // 状态栏，包括进度和控制按钮
                $statusBar = $wrap.find('.statusBar'),
                // 文件总体选择信息。
                $info = $statusBar.find('.info'),
                // 上传按钮
                $upload = $wrap.find('.uploadBtn'),
                // 上传按钮
                $filePickerBtn = $wrap.find('.filePickerBtn'),
                // 上传按钮
                $filePickerBlock = $wrap.find('.filePickerBlock'),
                // 没选择文件之前的内容。
                $placeHolder = $wrap.find('.placeholder'),
                // 总体进度条
                $progress = $statusBar.find('.progress').hide(),
                // 添加的文件数量
                fileCount = 0,
                // 添加的文件总大小
                fileSize = 0,
                // 优化retina, 在retina下这个值是2
                ratio = window.devicePixelRatio || 1,
                // 缩略图大小
                thumbnailWidth = 113 * ratio,
                thumbnailHeight = 113 * ratio,
                // 可能有pedding, ready, uploading, confirm, done.
                state = '',
                // 所有文件的进度信息，key为file id
                percentages = {},
                supportTransition = (function () {
                    var s = document.createElement('p').style,
                        r = 'transition' in s ||
                            'WebkitTransition' in s ||
                            'MozTransition' in s ||
                            'msTransition' in s ||
                            'OTransition' in s
                    s = null
                    return r
                })(),
                // WebUploader实例
                uploader,
                actionUrl = editor.getActionUrl(editor.getOpt('imageActionName')),
                acceptExtensions = (editor.getOpt('imageAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, ''),
                imageMaxSize = editor.getOpt('imageMaxSize'),
                imageCompressBorder = editor.getOpt('imageCompressBorder')

            if (!WebUploader.Uploader.support()) {
                $('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide()
                return
            } else if (!editor.getOpt('imageActionName')) {
                $('#filePickerReady').after($('<div>').html(lang.errorLoadConfig)).hide()
                return
            }

            uploader = _this.uploader = WebUploader.create({
                pick: {
                    id: '#filePickerReady',
                    label: lang.uploadSelectFile
                },
                accept: {
                    title: 'Images',
                    extensions: acceptExtensions,
                    mimeTypes: 'image/*'
                },
                swf: '../../third-party/webuploader/Uploader.swf',
                server: actionUrl,
                fileVal: editor.getOpt('imageFieldName'),
                duplicate: true,
                fileSingleSizeLimit: imageMaxSize,    // 默认 2 M
                compress: editor.getOpt('imageCompressEnable') ? {
                    width: imageCompressBorder,
                    height: imageCompressBorder,
                    // 图片质量，只有type为`image/jpeg`的时候才有效。
                    quality: 90,
                    // 是否允许放大，如果想要生成小图的时候不失真，此选项应该设置为false.
                    allowMagnify: false,
                    // 是否允许裁剪。
                    crop: false,
                    // 是否保留头部meta信息。
                    preserveHeaders: true
                } : false
            })
            uploader.addButton({
                id: '#filePickerBlock'
            })
            uploader.addButton({
                id: '#filePickerBtn',
                label: lang.uploadAddFile
            })

            setState('pedding')

            // 当有文件添加进来时执行，负责view的创建
            function addFile (file) {
                var $li = $('<li id="' + file.id + '">' +
                    '<p class="title">' + file.name + '</p>' +
                    '<p class="imgWrap"></p>' +
                    '<p class="progress"><span></span></p>' +
                    '</li>'),

                    $btns = $('<div class="file-panel">' +
                        '<span class="cancel">' + lang.uploadDelete + '</span>' +
                        '<span class="rotateRight">' + lang.uploadTurnRight + '</span>' +
                        '<span class="rotateLeft">' + lang.uploadTurnLeft + '</span></div>').appendTo($li),
                    $prgress = $li.find('p.progress span'),
                    $wrap = $li.find('p.imgWrap'),
                    $info = $('<p class="error"></p>').hide().appendTo($li),

                    showError = function (code) {
                        switch (code) {
                            case 'exceed_size':
                                text = lang.errorExceedSize
                                break
                            case 'interrupt':
                                text = lang.errorInterrupt
                                break
                            case 'http':
                                text = lang.errorHttp
                                break
                            case 'not_allow_type':
                                text = lang.errorFileType
                                break
                            default:
                                text = lang.errorUploadRetry
                                break
                        }
                        $info.text(text).show()
                    }

                if (file.getStatus() === 'invalid') {
                    showError(file.statusText)
                } else {
                    $wrap.text(lang.uploadPreview)
                    if (browser.ie && browser.version <= 7) {
                        $wrap.text(lang.uploadNoPreview)
                    } else {
                        uploader.makeThumb(file, function (error, src) {
                            if (error || !src) {
                                $wrap.text(lang.uploadNoPreview)
                            } else {
                                var $img = $('<img src="' + src + '">')
                                $wrap.empty().append($img)
                                $img.on('error', function () {
                                    $wrap.text(lang.uploadNoPreview)
                                })
                            }
                        }, thumbnailWidth, thumbnailHeight)
                    }
                    percentages[file.id] = [file.size, 0]
                    file.rotation = 0

                    /* 检查文件格式 */
                    if (!file.ext || acceptExtensions.indexOf(file.ext.toLowerCase()) == -1) {
                        showError('not_allow_type')
                        uploader.removeFile(file)
                    }
                }

                file.on('statuschange', function (cur, prev) {
                    if (prev === 'progress') {
                        $prgress.hide().width(0)
                    } else if (prev === 'queued') {
                        $li.off('mouseenter mouseleave')
                        $btns.remove()
                    }
                    // 成功
                    if (cur === 'error' || cur === 'invalid') {
                        showError(file.statusText)
                        percentages[file.id][1] = 1
                    } else if (cur === 'interrupt') {
                        showError('interrupt')
                    } else if (cur === 'queued') {
                        percentages[file.id][1] = 0
                    } else if (cur === 'progress') {
                        $info.hide()
                        $prgress.css('display', 'block')
                    } else if (cur === 'complete') {
                    }

                    $li.removeClass('state-' + prev).addClass('state-' + cur)
                })

                $li.on('mouseenter', function () {
                    $btns.stop().animate({ height: 30 })
                })
                $li.on('mouseleave', function () {
                    $btns.stop().animate({ height: 0 })
                })

                $btns.on('click', 'span', function () {
                    var index = $(this).index(),
                        deg

                    switch (index) {
                        case 0:
                            uploader.removeFile(file)
                            return
                        case 1:
                            file.rotation += 90
                            break
                        case 2:
                            file.rotation -= 90
                            break
                    }

                    if (supportTransition) {
                        deg = 'rotate(' + file.rotation + 'deg)'
                        $wrap.css({
                            '-webkit-transform': deg,
                            '-mos-transform': deg,
                            '-o-transform': deg,
                            'transform': deg
                        })
                    } else {
                        $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')')
                    }

                })

                $li.insertBefore($filePickerBlock)
            }

            // 负责view的销毁
            function removeFile (file) {
                var $li = $('#' + file.id)
                delete percentages[file.id]
                updateTotalProgress()
                $li.off().find('.file-panel').off().end().remove()
            }

            function updateTotalProgress () {
                var loaded = 0,
                    total = 0,
                    spans = $progress.children(),
                    percent

                $.each(percentages, function (k, v) {
                    total += v[0]
                    loaded += v[0] * v[1]
                })

                percent = total ? loaded / total : 0

                spans.eq(0).text(Math.round(percent * 100) + '%')
                spans.eq(1).css('width', Math.round(percent * 100) + '%')
                updateStatus()
            }

            function setState (val, files) {

                if (val != state) {

                    var stats = uploader.getStats()

                    $upload.removeClass('state-' + state)
                    $upload.addClass('state-' + val)

                    switch (val) {

                        /* 未选择文件 */
                        case 'pedding':
                            $queue.addClass('element-invisible')
                            $statusBar.addClass('element-invisible')
                            $placeHolder.removeClass('element-invisible')
                            $progress.hide(); $info.hide()
                            uploader.refresh()
                            break

                        /* 可以开始上传 */
                        case 'ready':
                            $placeHolder.addClass('element-invisible')
                            $queue.removeClass('element-invisible')
                            $statusBar.removeClass('element-invisible')
                            $progress.hide(); $info.show()
                            $upload.text(lang.uploadStart)
                            uploader.refresh()
                            break

                        /* 上传中 */
                        case 'uploading':
                            $progress.show(); $info.hide()
                            $upload.text(lang.uploadPause)
                            break

                        /* 暂停上传 */
                        case 'paused':
                            $progress.show(); $info.hide()
                            $upload.text(lang.uploadContinue)
                            break

                        case 'confirm':
                            $progress.show(); $info.hide()
                            $upload.text(lang.uploadStart)

                            stats = uploader.getStats()
                            if (stats.successNum && !stats.uploadFailNum) {
                                setState('finish')
                                return
                            }
                            break

                        case 'finish':
                            $progress.hide(); $info.show()
                            if (stats.uploadFailNum) {
                                $upload.text(lang.uploadRetry)
                            } else {
                                $upload.text(lang.uploadStart)
                            }
                            break
                    }

                    state = val
                    updateStatus()

                }

                if (!_this.getQueueCount()) {
                    $upload.addClass('disabled')
                } else {
                    $upload.removeClass('disabled')
                }

            }

            function updateStatus () {
                var text = '', stats

                if (state === 'ready') {
                    text = lang.updateStatusReady.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize))
                } else if (state === 'confirm') {
                    stats = uploader.getStats()
                    if (stats.uploadFailNum) {
                        text = lang.updateStatusConfirm.replace('_', stats.successNum).replace('_', stats.successNum)
                    }
                } else {
                    stats = uploader.getStats()
                    text = lang.updateStatusFinish.replace('_', fileCount).
                        replace('_KB', WebUploader.formatSize(fileSize)).
                        replace('_', stats.successNum)

                    if (stats.uploadFailNum) {
                        text += lang.updateStatusError.replace('_', stats.uploadFailNum)
                    }
                }

                $info.html(text)
            }

            uploader.on('fileQueued', function (file) {
                fileCount++
                fileSize += file.size

                if (fileCount === 1) {
                    $placeHolder.addClass('element-invisible')
                    $statusBar.show()
                }

                addFile(file)
            })

            uploader.on('fileDequeued', function (file) {
                if (file.ext && acceptExtensions.indexOf(file.ext.toLowerCase()) != -1 && file.size <= imageMaxSize) {
                    fileCount--
                    fileSize -= file.size
                }

                removeFile(file)
                updateTotalProgress()
            })

            uploader.on('filesQueued', function (file) {
                if (!uploader.isInProgress() && (state == 'pedding' || state == 'finish' || state == 'confirm' || state == 'ready')) {
                    setState('ready')
                }
                updateTotalProgress()
            })
            uploader.on('all', function (type, files) {
                switch (type) {
                    case 'uploadFinished':
                        setState('confirm', files)
                        break
                    case 'startUpload':
                        /* 添加额外的GET参数 */
                        var params = utils.serializeParam(editor.queryCommandValue('serverparam')) || ''
                        // url = utils.formatUrl(actionUrl + (actionUrl.indexOf('?') == -1 ? '?':'&') + 'encode=utf-8&' + params);
                        // 百度富文本接口 -- 多图
                        uploader.option('server', editor.getOpt("serverUrl"))
                        setState('uploading', files)
                        break
                    case 'stopUpload':
                        setState('paused', files)
                        break
                }
            })

            uploader.on('uploadBeforeSend', function (file, data, header) {
                //这里可以通过data对象添加POST参数
                if (actionUrl.toLowerCase().indexOf('jsp') != -1) {
                    header['X-Requested-With'] = 'XMLHttpRequest'
                }
            })

            uploader.on('uploadProgress', function (file, percentage) {
                var $li = $('#' + file.id),
                    $percent = $li.find('.progress span')

                $percent.css('width', percentage * 100 + '%')
                percentages[file.id][1] = percentage
                updateTotalProgress()
            })

            uploader.on('uploadSuccess', function (file, ret) {
                var $file = $('#' + file.id)
                try {
                    var responseText = (ret._raw || ret),
                        json = utils.str2json(responseText)
                    if (json.code === 200) {
                        _this.imageList.push(json.data)
                        $file.append('<span class="success"></span>')
                    } else {
                        $file.find('.error').text(json.state).show()
                    }
                } catch (e) {
                    $file.find('.error').text(lang.errorServerUpload).show()
                }
            })

            uploader.on('uploadError', function (file, code) {
            })
            uploader.on('error', function (code, file) {
                if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
                    addFile(file)
                }
            })
            uploader.on('uploadComplete', function (file, ret) {
            })

            $upload.on('click', function () {
                if ($(this).hasClass('disabled')) {
                    return false
                }

                if (state === 'ready') {
                    uploader.upload()
                } else if (state === 'paused') {
                    uploader.upload()
                } else if (state === 'uploading') {
                    uploader.stop()
                }
            })

            $upload.addClass('state-' + state)
            updateTotalProgress()
        },
        getQueueCount: function () {
            var file, i, status, readyFile = 0, files = this.uploader.getFiles()
            for (i = 0; file = files[i++];) {
                status = file.getStatus()
                if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++
            }
            return readyFile
        },
        destroy: function () {
            this.$wrap.remove()
        },
        getInsertList: function () {
            var i, data, list = [],
                align = getAlign(),
                prefix = editor.getOpt('imageUrlPrefix')
            for (i = 0; i < this.imageList.length; i++) {
                data = this.imageList[i]
                list.push({
                    src: prefix + data.url,
                    _src: prefix + data.url,
                    alt: data.original,
                    floatStyle: align
                })
            }
            return list
        }
    }


    /* 在线图片 */
    function OnlineImage (target) {
        this.container = utils.isString(target) ? document.getElementById(target) : target
        this.init()
    }
    OnlineImage.prototype = {
        init: function () {
            this.reset()
            this.initEvents()
        },
        /* 初始化容器 */
        initContainer: function () {
            this.container.innerHTML = ''
            this.list = document.createElement('ul')
            this.clearFloat = document.createElement('li')

            domUtils.addClass(this.list, 'list')
            domUtils.addClass(this.clearFloat, 'clearFloat')

            this.list.appendChild(this.clearFloat)
            this.container.appendChild(this.list)
        },
        /* 初始化滚动事件,滚动到地步自动拉取数据 */
        initEvents: function () {
            var _this = this

            /* 滚动拉取图片 */
            domUtils.on($G('imageList'), 'scroll', function (e) {
                var panel = this
                if (panel.scrollHeight - (panel.offsetHeight + panel.scrollTop) < 10) {
                    _this.getImageData()
                }
            })
            /* 选中图片 */
            domUtils.on(this.container, 'click', function (e) {
                var target = e.target || e.srcElement,
                    li = target.parentNode

                if (li.tagName.toLowerCase() == 'li') {
                    if (domUtils.hasClass(li, 'selected')) {
                        domUtils.removeClasses(li, 'selected')
                    } else {
                        domUtils.addClass(li, 'selected')
                    }
                }
            })
        },
        /* 初始化第一次的数据 */
        initData: function () {

            /* 拉取数据需要使用的值 */
            this.state = 0
            this.listSize = editor.getOpt('imageManagerListSize')
            this.listIndex = 0
            this.listEnd = false

            /* 第一次拉取数据 */
            this.getImageData()
        },
        /* 重置界面 */
        reset: function () {
            this.initContainer()
            this.initData()
        },
        /* 向后台拉取图片列表数据 */
        getImageData: function () {
            var _this = this

            if (!_this.listEnd && !this.isLoadingData) {
                this.isLoadingData = true
                var url = editor.getActionUrl(editor.getOpt('imageManagerActionName')),
                    isJsonp = utils.isCrossDomainUrl(url)
                ajax.request(url, {
                    'timeout': 100000,
                    'dataType': isJsonp ? 'jsonp' : '',
                    'data': utils.extend({
                        start: this.listIndex,
                        size: this.listSize
                    }, editor.queryCommandValue('serverparam')),
                    'method': 'get',
                    'onsuccess': function (r) {
                        try {
                            var json = isJsonp ? r : eval('(' + r.responseText + ')')
                            if (json.code === 200) {
                                _this.pushData(json.list)
                                _this.listIndex = parseInt(json.start) + parseInt(json.list.length)
                                if (_this.listIndex >= json.total) {
                                    _this.listEnd = true
                                }
                                _this.isLoadingData = false
                            }
                        } catch (e) {
                            if (r.responseText.indexOf('ue_separate_ue') != -1) {
                                var list = r.responseText.split(r.responseText)
                                _this.pushData(list)
                                _this.listIndex = parseInt(list.length)
                                _this.listEnd = true
                                _this.isLoadingData = false
                            }
                        }
                    },
                    'onerror': function () {
                        _this.isLoadingData = false
                    }
                })
            }
        },
        /* 添加图片到列表界面上 */
        pushData: function (list) {
            var i, item, img, icon, _this = this,
                urlPrefix = editor.getOpt('imageManagerUrlPrefix')
            for (i = 0; i < list.length; i++) {
                if (list[i] && list[i].url) {
                    item = document.createElement('li')
                    img = document.createElement('img')
                    icon = document.createElement('span')

                    domUtils.on(img, 'load', (function (image) {
                        return function () {
                            _this.scale(image, image.parentNode.offsetWidth, image.parentNode.offsetHeight)
                        }
                    })(img))
                    img.width = 113
                    img.setAttribute('src', urlPrefix + list[i].url + (list[i].url.indexOf('?') == -1 ? '?noCache=' : '&noCache=') + (+new Date()).toString(36))
                    img.setAttribute('_src', urlPrefix + list[i].url)
                    domUtils.addClass(icon, 'icon')

                    item.appendChild(img)
                    item.appendChild(icon)
                    this.list.insertBefore(item, this.clearFloat)
                }
            }
        },
        /* 改变图片大小 */
        scale: function (img, w, h, type) {
            var ow = img.width,
                oh = img.height

            if (type == 'justify') {
                if (ow >= oh) {
                    img.width = w
                    img.height = h * oh / ow
                    img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px'
                } else {
                    img.width = w * ow / oh
                    img.height = h
                    img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px'
                }
            } else {
                if (ow >= oh) {
                    img.width = w * ow / oh
                    img.height = h
                    img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px'
                } else {
                    img.width = w
                    img.height = h * oh / ow
                    img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px'
                }
            }
        },
        getInsertList: function () {
            var i, lis = this.list.children, list = [], align = getAlign()
            for (i = 0; i < lis.length; i++) {
                if (domUtils.hasClass(lis[i], 'selected')) {
                    var img = lis[i].firstChild,
                        src = img.getAttribute('_src')
                    list.push({
                        src: src,
                        _src: src,
                        alt: src.substr(src.lastIndexOf('/') + 1),
                        floatStyle: align
                    })
                }

            }
            return list
        }
    }

    /*搜索图片 */
    function SearchImage () {
        this.init()
    }
    SearchImage.prototype = {
        init: function () {
            this.initEvents()
        },
        initEvents: function () {
            var _this = this

            /* 点击搜索按钮 */
            domUtils.on($G('searchBtn'), 'click', function () {
                var key = $G('searchTxt').value
                if (key && key != lang.searchRemind) {
                    _this.getImageData()
                }
            })
            /* 点击清除妞 */
            domUtils.on($G('searchReset'), 'click', function () {
                $G('searchTxt').value = lang.searchRemind
                $G('searchListUl').innerHTML = ''
                $G('searchType').selectedIndex = 0
            })
            /* 搜索框聚焦 */
            domUtils.on($G('searchTxt'), 'focus', function () {
                var key = $G('searchTxt').value
                if (key && key == lang.searchRemind) {
                    $G('searchTxt').value = ''
                }
            })
            /* 搜索框回车键搜索 */
            domUtils.on($G('searchTxt'), 'keydown', function (e) {
                var keyCode = e.keyCode || e.which
                if (keyCode == 13) {
                    $G('searchBtn').click()
                }
            })

            /* 选中图片 */
            domUtils.on($G('searchList'), 'click', function (e) {
                var target = e.target || e.srcElement,
                    li = target.parentNode.parentNode

                if (li.tagName.toLowerCase() == 'li') {
                    if (domUtils.hasClass(li, 'selected')) {
                        domUtils.removeClasses(li, 'selected')
                    } else {
                        domUtils.addClass(li, 'selected')
                    }
                }
            })
        },
        /* 改变图片大小 */
        scale: function (img, w, h) {
            var ow = img.width,
                oh = img.height

            if (ow >= oh) {
                img.width = w * ow / oh
                img.height = h
                img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px'
            } else {
                img.width = w
                img.height = h * oh / ow
                img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px'
            }
        },
        getImageData: function () {
            var _this = this,
                key = $G('searchTxt').value,
                type = $G('searchType').value,
                keepOriginName = editor.options.keepOriginName ? "1" : "0",
                url = "http://image.baidu.com/i?ct=201326592&cl=2&lm=-1&st=-1&tn=baiduimagejson&istype=2&rn=32&fm=index&pv=&word=" + key + type + "&ie=utf-8&oe=utf-8&keeporiginname=" + keepOriginName + "&" + +new Date

            $G('searchListUl').innerHTML = lang.searchLoading
            ajax.request(url, {
                'dataType': 'jsonp',
                'charset': 'GB18030',
                'onsuccess': function (json) {
                    var list = []
                    if (json && json.data) {
                        for (var i = 0; i < json.data.length; i++) {
                            if (json.data[i].objURL) {
                                list.push({
                                    title: json.data[i].fromPageTitleEnc,
                                    src: json.data[i].objURL,
                                    url: json.data[i].fromURL
                                })
                            }
                        }
                    }
                    _this.setList(list)
                },
                'onerror': function () {
                    $G('searchListUl').innerHTML = lang.searchRetry
                }
            })
        },
        /* 添加图片到列表界面上 */
        setList: function (list) {
            var i, item, p, img, link, _this = this,
                listUl = $G('searchListUl')

            listUl.innerHTML = ''
            if (list.length) {
                for (i = 0; i < list.length; i++) {
                    item = document.createElement('li')
                    p = document.createElement('p')
                    img = document.createElement('img')
                    link = document.createElement('a')

                    img.onload = function () {
                        _this.scale(this, 113, 113)
                    }
                    img.width = 113
                    img.setAttribute('src', list[i].src)

                    link.href = list[i].url
                    link.target = '_blank'
                    link.title = list[i].title
                    link.innerHTML = list[i].title

                    p.appendChild(img)
                    item.appendChild(p)
                    item.appendChild(link)
                    listUl.appendChild(item)
                }
            } else {
                listUl.innerHTML = lang.searchRetry
            }
        },
        getInsertList: function () {
            var child,
                src,
                align = getAlign(),
                list = [],
                items = $G('searchListUl').children
            for (var i = 0; i < items.length; i++) {
                child = items[i].firstChild && items[i].firstChild.firstChild
                if (child.tagName && child.tagName.toLowerCase() == 'img' && domUtils.hasClass(items[i], 'selected')) {
                    src = child.src
                    list.push({
                        src: src,
                        _src: src,
                        alt: src.substr(src.lastIndexOf('/') + 1),
                        floatStyle: align
                    })
                }
            }
            return list
        }
    }

})()
